AU593730B2 - Filter membrane and method of manufacture - Google Patents
Filter membrane and method of manufactureInfo
- Publication number
- AU593730B2 AU593730B2 AU13865/88A AU1386588A AU593730B2 AU 593730 B2 AU593730 B2 AU 593730B2 AU 13865/88 A AU13865/88 A AU 13865/88A AU 1386588 A AU1386588 A AU 1386588A AU 593730 B2 AU593730 B2 AU 593730B2
- Authority
- AU
- Australia
- Prior art keywords
- film
- tea
- iproh
- solution
- teg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 239000012528 membrane Substances 0.000 title description 19
- 238000000034 method Methods 0.000 title description 18
- 238000004519 manufacturing process Methods 0.000 title description 8
- 239000010408 film Substances 0.000 description 28
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 22
- 239000011148 porous material Substances 0.000 description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 19
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 18
- 239000010410 layer Substances 0.000 description 16
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 239000012530 fluid Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000011368 organic material Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 239000011300 coal pitch Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002296 pyrolytic carbon Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 2
- 238000001947 vapour-phase growth Methods 0.000 description 2
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- OCLXJTCGWSSVOE-UHFFFAOYSA-N ethanol etoh Chemical compound CCO.CCO OCLXJTCGWSSVOE-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- SYJRVVFAAIUVDH-UHFFFAOYSA-N ipa isopropanol Chemical compound CC(C)O.CC(C)O SYJRVVFAAIUVDH-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- IKNCGYCHMGNBCP-UHFFFAOYSA-N propan-1-olate Chemical compound CCC[O-] IKNCGYCHMGNBCP-UHFFFAOYSA-N 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/04—Glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5001—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with carbon or carbonisable materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP88400639A EP0332789B1 (fr) | 1988-03-17 | 1988-03-17 | Membrane de filtration et procédé de fabrication |
JP63087085A JP2537657B2 (ja) | 1988-03-17 | 1988-04-08 | ▲ろ▼過膜及びその製造方法 |
CA000563676A CA1332215C (fr) | 1988-03-17 | 1988-04-08 | Membrane de filtration et procede de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1386588A AU1386588A (en) | 1989-11-23 |
AU593730B2 true AU593730B2 (en) | 1990-02-15 |
Family
ID=27167926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU13865/88A Ceased AU593730B2 (en) | 1988-03-17 | 1988-03-30 | Filter membrane and method of manufacture |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0332789B1 (ja) |
JP (1) | JP2537657B2 (ja) |
AU (1) | AU593730B2 (ja) |
CA (1) | CA1332215C (ja) |
DE (1) | DE3887979T2 (ja) |
ES (1) | ES2050716T3 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5104540A (en) * | 1990-06-22 | 1992-04-14 | Corning Incorporated | Coated molten metal filters |
JPH0437517U (ja) * | 1990-07-25 | 1992-03-30 | ||
NL9300038A (nl) * | 1993-01-08 | 1994-08-01 | Hoogovens Ind Ceramics | Keramisch ultrafiltratiemembraan en werkwijze voor de bereiding daarvan. |
RU2079349C1 (ru) * | 1994-06-17 | 1997-05-20 | Малое государственное предприятие "ВИАМ-41" | Фильтрующий элемент для микро- и ультрафильтрации и способ его изготовления |
FR2722115B1 (fr) * | 1994-07-08 | 1996-09-20 | Centre Nat Rech Scient | Element filtrant a membrane en oxyde d'hafnium, sa preparation et son utilisation. |
DE69629979T2 (de) * | 1995-06-02 | 2004-07-29 | Corning Inc. | Vorrichtung zur Entfernung von Kontaminationen aus Fluidströmen |
JP3647985B2 (ja) * | 1996-08-09 | 2005-05-18 | カネボウ株式会社 | 分子ふるい炭素膜およびその製造法 |
DE19741498B4 (de) * | 1997-09-20 | 2008-07-03 | Evonik Degussa Gmbh | Herstellung eines Keramik-Edelstahlgewebe-Verbundes |
DE19811708B4 (de) * | 1997-09-20 | 2008-09-04 | Evonik Degussa Gmbh | Herstellung von keramischen Membranen |
JP2000237562A (ja) * | 1999-02-23 | 2000-09-05 | Kanebo Ltd | 分子ふるい炭素膜およびその製造法、並びに浸透気化分離方法 |
JP2002537991A (ja) * | 1999-03-12 | 2002-11-12 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 支持されたナノ多孔性の炭素性ガス分離膜およびその製造法 |
US7465692B1 (en) | 2000-03-16 | 2008-12-16 | Pall Corporation | Reactive media, methods of use and assemblies for purifying |
NO314344B1 (no) * | 2000-07-03 | 2003-03-10 | Bernt Thorstensen | Filter eller filterelement for modifisert elektro-dialyse (MED) formål |
DE10102295A1 (de) * | 2001-01-19 | 2002-08-08 | Gkn Sinter Metals Gmbh | Gradiert aufgebaute Filter und Verfahren zu ihrer Herstellung |
FR2850588B1 (fr) * | 2003-01-31 | 2007-08-03 | Inst Francais Du Petrole | Membrane inorganique poreuse contenant du carbone, son procede de preparation et son utilisation |
JP6963311B2 (ja) * | 2016-08-22 | 2021-11-10 | 国立大学法人神戸大学 | ナノシート積層型分離膜及びその製造方法 |
WO2019155946A1 (ja) * | 2018-02-07 | 2019-08-15 | 国立大学法人神戸大学 | 複合分離膜 |
CN110898679B (zh) * | 2019-11-29 | 2020-10-23 | 珠海大横琴科技发展有限公司 | 一种滤膜制备方法以及滤膜 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU572958B2 (en) * | 1984-02-15 | 1988-05-19 | Georg Fischer Aktiengesellschaft | Ceramic filter and method for using same |
AU583957B2 (en) * | 1985-12-13 | 1989-05-11 | Minnesota Mining And Manufacturing Company | Bicomponent ceramic fibers |
AU584499B2 (en) * | 1986-03-19 | 1989-05-25 | Ceramiques Et Composites | A liquid metal filter and process for making the same |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1194271A (ja) * | 1957-04-05 | 1959-11-09 | ||
GB1119180A (en) * | 1966-04-01 | 1968-07-10 | Morganite Res & Dev Ltd | Forming deposits within porous material |
US3923688A (en) * | 1972-03-02 | 1975-12-02 | Ppg Industries Inc | Thermally stable and crush resistant microporous glass catalyst supports and methods of making |
US3856593A (en) * | 1972-05-23 | 1974-12-24 | Haveg Industries Inc | Expanded porous substrate for fibrous graphite structure |
JPS5117190A (ja) * | 1974-08-01 | 1976-02-10 | Sumitomo Durez Co | |
US4078112A (en) * | 1976-07-12 | 1978-03-07 | Union Carbide Corporation | Coating modification process for ultrafiltration systems |
EP0039179B1 (en) * | 1980-04-28 | 1985-07-24 | National Research Development Corporation | Improvements in or relating to porous glass |
GB2097777A (en) * | 1981-05-06 | 1982-11-10 | Rolls Royce | Ceramic foam |
FR2525912A1 (fr) * | 1982-04-28 | 1983-11-04 | Ceraver | Membrane de filtration, et procede de preparation d'une telle membrane |
DE3222162C2 (de) * | 1982-06-10 | 1985-07-11 | Schweizerische Aluminium Ag, Chippis | Filter zur Filtration von schmelzflüssigen Metallen |
FR2553758B1 (fr) * | 1983-10-25 | 1991-07-05 | Ceraver | Materiau poreux et filtre tubulaire comprenant ce materiau |
JPS60180979A (ja) * | 1984-02-27 | 1985-09-14 | 浅枝 正司 | 凝縮成分分離用セラミツク膜の製造方法 |
US4685940A (en) * | 1984-03-12 | 1987-08-11 | Abraham Soffer | Separation device |
FR2575459B1 (fr) * | 1984-12-28 | 1991-10-04 | Commissariat Energie Atomique | Procede de fabrication de membranes minerales, poreuses et permeables |
FR2582956B1 (fr) * | 1985-06-10 | 1987-07-31 | Lorraine Carbone | Support de membrane minerale pour techniques separatives et procedes de fabrication de ce support |
DE3623786A1 (de) * | 1985-11-13 | 1987-05-14 | Man Technologie Gmbh | Verfahren zur herstellung von russfiltern |
DK193287A (da) * | 1986-04-16 | 1987-10-17 | Alcan Int Ltd | Sammensat membran |
FR2600266B1 (fr) * | 1986-06-19 | 1990-08-24 | Lorraine Carbone | Procede de fabrication d'une membrane minerale poreuse sur un support mineral |
FR2604920B1 (fr) * | 1986-10-10 | 1988-12-02 | Ceraver | Membrane de filtration ceramique et procede de fabrication |
-
1988
- 1988-03-17 EP EP88400639A patent/EP0332789B1/fr not_active Expired - Lifetime
- 1988-03-17 ES ES88400639T patent/ES2050716T3/es not_active Expired - Lifetime
- 1988-03-17 DE DE3887979T patent/DE3887979T2/de not_active Expired - Lifetime
- 1988-03-30 AU AU13865/88A patent/AU593730B2/en not_active Ceased
- 1988-04-08 JP JP63087085A patent/JP2537657B2/ja not_active Expired - Lifetime
- 1988-04-08 CA CA000563676A patent/CA1332215C/fr not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU572958B2 (en) * | 1984-02-15 | 1988-05-19 | Georg Fischer Aktiengesellschaft | Ceramic filter and method for using same |
AU583957B2 (en) * | 1985-12-13 | 1989-05-11 | Minnesota Mining And Manufacturing Company | Bicomponent ceramic fibers |
AU584499B2 (en) * | 1986-03-19 | 1989-05-25 | Ceramiques Et Composites | A liquid metal filter and process for making the same |
Also Published As
Publication number | Publication date |
---|---|
JPH01262902A (ja) | 1989-10-19 |
DE3887979T2 (de) | 1994-06-01 |
EP0332789B1 (fr) | 1994-02-23 |
DE3887979D1 (de) | 1994-03-31 |
CA1332215C (fr) | 1994-10-04 |
AU1386588A (en) | 1989-11-23 |
JP2537657B2 (ja) | 1996-09-25 |
ES2050716T3 (es) | 1994-06-01 |
EP0332789A1 (fr) | 1989-09-20 |
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